Black demographic data, 1790-1860: a sourcebook, by Clayton E. Cramer. Westport, Conn. : Greenwood Press, 1997.
Historical census statistics on population totals by race, 1790 to 1990, and by Hispanic origin, 1970 to 1990, for large cities and other urban places in the United States, by Campbell Gibson and Kay Jung. Washington, DC : Population Division, U.S. Census Bureau, 
Historical statistics of Black America, compiled & edited by Jessie Carney Smith and Carrell Peterson Horton. New York: Gale Research, c1995. (F) E185 .H543 1995
Historical Statistics of the United States Millennial Edition (Colonial Period to 2000) Statistical series on subjects ranging from population and land area to production figures for crops and manufactured products. Detailed documentation provides brief histories of the statistical series and source materials.
Negro population in the United States, 1790-1915. New York, Arno Press, 1968. (F) HA205.A33 1968, (Stokes) HA205.A33 1968
Tables showing the number of emigrants and recaptured Africans sent to the colony of Liberia by the government of the United States [electronic resource] : also, the number of emigrants free born, number that purchased their freedom, number emancipated, &c. : together with a census of the colony and a report of its commerce, &c., September 1843. Washington [D.C.] : [s.n.], 1845
This data collection was designed to examine the characteristics of free Blacks and ex-slaves mustered into the Union Army between 1862 and the end of the Civil War. In addition to variables on personal characteristics, such as skin, eye, and hair color, height, age, birthplace, and occupation before enlistment, the data also contain Army-related variables, such as regiment and company number, rank, enlistment date and place, changes in rank, and date and cause of end of service.